David Gero has compiled a catalogue of major air disasters since the 1950s. He investigates every type of calamity, including those caused by inclement weather and inhospitable terrain, mechanical failure and pilot error, and that spectre of more recent times -- terrorism.

David Gero has compiled a catalogue of major air disasters since the 1950s. He investigates every type of calamity, including those caused by inclement weather and inhospitable terrain, mechanical failure and pilot error, and that spectre of more recent times -- terrorism.